Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 9 Jan 1997 | Three Rivers | 2 | 1 | Slight |
| Sun 12 Jan 1997 | Three Rivers | 1 | 1 | Slight |
| Tue 21 Jan 1997 | Three Rivers | 2 | 1 | Slight |
| Fri 31 Jan 1997 | Three Rivers | 3 | 1 | Slight |
| Sun 2 Feb 1997 | Watford | 2 | 2 | Slight |
| Fri 7 Feb 1997 | Watford | 2 | 1 | Slight |
| Thu 20 Feb 1997 | Three Rivers | 2 | 2 | Serious |
| Sun 23 Feb 1997 | Three Rivers | 2 | 3 | Slight |
| Mon 24 Feb 1997 | Watford | 2 | 3 | Slight |
| Wed 26 Feb 1997 | Watford | 3 | 1 | Slight |
| Sat 1 Mar 1997 | Watford | 2 | 2 | Serious |
| Tue 4 Mar 1997 | Three Rivers | 2 | 4 | Slight |
| Tue 4 Mar 1997 | Watford | 2 | 1 | Slight |
| Sat 8 Mar 1997 | Hillingdon | 2 | 1 | Serious |
| Sat 8 Mar 1997 | Hillingdon | 2 | 1 | Serious |
| Wed 19 Mar 1997 | Three Rivers | 2 | 1 | Slight |
| Wed 9 Apr 1997 | Three Rivers | 2 | 1 | Slight |
| Wed 16 Apr 1997 | Hillingdon | 2 | 1 | Slight |
| Mon 21 Apr 1997 | Three Rivers | 2 | 1 | Slight |
| Fri 25 Apr 1997 | Three Rivers | 3 | 4 | Slight |
| Fri 2 May 1997 | Hillingdon | 2 | 1 | Slight |
| Tue 20 May 1997 | Three Rivers | 2 | 2 | Slight |
| Mon 2 Jun 1997 | Three Rivers | 2 | 1 | Slight |
| Tue 17 Jun 1997 | Three Rivers | 2 | 2 | Slight |
| Sat 2 Aug 1997 | Watford | 2 | 1 | Slight |
| Wed 27 Aug 1997 | Three Rivers | 2 | 1 | Slight |
| Sun 7 Sep 1997 | Dacorum | 2 | 2 | Slight |
| Mon 6 Oct 1997 | Three Rivers | 1 | 1 | Slight |
| Sat 11 Oct 1997 | Watford | 2 | 1 | Slight |
| Fri 31 Oct 1997 | Watford | 2 | 2 | Slight |
| Mon 3 Nov 1997 | Three Rivers | 1 | 2 | Fatal |
| Tue 11 Nov 1997 | Three Rivers | 2 | 1 | Slight |
| Mon 17 Nov 1997 | Three Rivers | 2 | 1 | Slight |
| Fri 21 Nov 1997 | Three Rivers | 2 | 1 | Slight |
| Fri 5 Dec 1997 | Hillingdon | 1 | 1 | Slight |
| Sun 7 Dec 1997 | Hillingdon | 2 | 1 | Slight |
| Wed 24 Dec 1997 | Watford | 1 | 3 | Serious |
| Sun 28 Dec 1997 | Watford | 2 | 3 | Slight |